Hobbs, R. C. (1981). Robert Smithson--sculpture. Cornell University Press.
Chicago Style (17th ed.) CitationHobbs, Robert Carleton. Robert Smithson--sculpture. Ithaca: Cornell University Press, 1981.
MLA (8th ed.) CitationHobbs, Robert Carleton. Robert Smithson--sculpture. Cornell University Press, 1981.
Warning: These citations may not always be 100% accurate.